What is a Vanguard?

Introduction

The vanguard (also called the advance guard) is the leading part of an advancing military formation. It has a number of functions, including seeking out the enemy and securing ground in advance of the main force.

Refer to Rearguard.

Brief History

The vanguard derives from the traditional division of a medieval army into three battles or wards; the Van, the Main (or Middle), and the Rear.

The term Vanguard originates with the medieval French avant-garde, i.e. “the advance guard”. The vanguard would lead the line of march and would deploy first on the field of battle, either in front of the other wards or to the right if they stood in line.

The makeup of the vanguard of a fifteenth-century Burgundian army is a typical example. This consisted of

  • A contingent of foreriders, from whom a forward detachment of scouts was drawn;
  • The main body of the vanguard, in which there travelled civil officials and trumpeters to carry messages and summon the surrender of towns and castles; and
  • A body of workmen under the direction of the Master of Artillery whose job it was to clear obstacles which would obstruct the baggage and artillery travelling with the main army.

In an English force of the period, the foreriders of the vanguard would be accompanied by the harbingers, whose job was to locate lodgings for the army for the following night.

Forward Detachments

During the Soviet-German War (1941-1945), beginning in July 1943, the Red Army began forming, as part of its offensive doctrine, ad hoc vanguard formations called forward detachments [peredovye otriady], from army, corps and divisional units.

Forward detachments brought together the mobile (motorised or mechanised) elements of the parent formation to play an exploitation role once a breakthrough of the German lines occurred.

A rifle division, for example, might mount one or two battalions of infantry on trucks, with motorised antitank guns and motorised artillery in support.

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